At GoKGS.com, I (13 kyu) was playing against player ranked as "13k?", and I lost and dropped to 14 kyu. But then we found out (thanks to another user watching the match) that the user is actually much ...

One of the most commonly asked questions of beginners. How do ranks work in Go?
Why do we start backwards? And why do we suddenly count upwards again? What is the difference between 9d and 9p? How is ...